<div class="top-btn clearfix">
	<span class="fl return_wrap mui-action-back" onclick="return_last_page();">
		<span class="icon icon_back_default3x"></span>
		
		
	</span>
	<span class="fl back-word">返回</span>
	<span class="return_wrap fr" onclick="return_share();">
		<span class="share icon_share_default3x icon" id="share_btn" onclick="return_share();"></span>
	</span>
</div>